Update pylint from 2.7.3 to 2.7.4 (#527)

pyup-bot · web-flow · commit e145e0b21012 · 2021-03-31T10:42:28.000+05:30
diff --git a/requirements-testing.txt b/requirements-testing.txt
@@ -9,5 +9,5 @@ py-spy==0.3.5
 codecov==2.1.11
 tox==3.23.0
 mccabe==0.6.1
-pylint==2.7.3
+pylint==2.7.4
 rope==0.18.0
